A command may pertain-to a master.Logical formLearned from56 sentences. A person may enter commands.Logical formLearned from56 sentences. A person may use a command.Logical formLearned from56 sentences. A command can be improved.Logical formLearned from56 sentences. A command can be easy.Logical formLearned from56 sentences. A (command economy) can be soviet.Logical formLearned from56 sentences. A command can be complex.Logical formLearned from56 sentences. A syntax may pertain-to a command.Logical formLearned from56 sentences. A command may pertain-to a captain.Logical formLearned from55 sentences. A command can be forward.Logical formLearned from55 sentences. A command can be at an airline.Logical formLearned from55 sentences. A command may pertain-to a nobleman.Logical formLearned from55 sentences. A command can be mobile.Logical formLearned from55 sentences. A (command center) may pertain-to a US-city.Logical formLearned from55 sentences. An army can be under a command.Logical formLearned from54 sentences.